YN LN is a a trainee of YG entertainment for six years everyone may think he's just a normal guy but he really isn't what YN really is that he is bound with a alien name Venom who's a Symbiote and YN kept him with him since they have a formd a good strong brother bound and while YN and Venom were living normally YN gotten a call from the CEO of YG entertainment he's boss and told him he's gonna be the 5th member of Blackpink